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  • May 18, 2020 Nanjing new factory opened

    01-26

    On May 18, 2020, the new Nanjing factory with an investment of 50 million yuan was grandly opened. This modern new factory with an area of more than 7000 square meters will have 8 automated assembly lines and achieve a production capacity of more than 5 million controllers. We will go all out to support and satisfy all customers Demand.

  • Introduction to Embedded CAN Bus (low-level details)

    01-26

    1 IntroductionThe CAN bus was developed by the German BOSCH company, and the maximum rate can reach 1Mbps. CAN's fault tolerance is particularly strong, and the CAN controller has built-in powerful error detection and processing mechanisms. In addition, unlike traditional networks (such as USB or Ethernet), CAN nodes will not transmit large data blocks between nodes. A CAN message can transmit up to 8 bytes of user data. Short data packets can also make the system better The stability. The CAN bus has a bus arbitration mechanism and can form a multi-master system.2. CAN StandardCAN is a serial communication bus defined by the Internationa

  • The birth of the Chinese electric bicycle champion: surpass Yadi and Emma to become the industry "Tesla"

    01-26

    China has become a country on wheels, and high-speed rail, automobiles, and light electric vehicles have become the main means of transportation for Chinese people.        The new energy vehicle industry is currently the hottest. With the implementation of the new national standard, the competition for the new energy track of electric bicycles is becoming more and more intense.For the first time, the domestic financial management comprehensive media published a "2020 Electric Bicycle Industry Value Brand (Complete Vehicle) TOP50" for the evaluation of the electric bicycle industry. In terms of comprehen

  • The new national standard for electric motorcycles and electric light motorcycles will be officially implemented on January 1, 2021

    11-21

     "New Energy Trends" public account report: Starting from January 1, 2021, the GB 24155-2020 "Safety Requirements for Electric Motorcycles and Electric Mopeds" issued by the Ministry of Industry and Information Technology has been officially implemented, fully replacing electric motorcycles and electric light motorcycles. The implementation of the old national standard in 2009.         The new national standard for electric motorcycles mainly completes and supplements the power, charging, circuit and other content. After implementation, all products except for products that have been shipped and th

  • Sine Wave Control of Brushless DC Motor

    11-21

            The traditional brushless DC motor adopts a square wave control method, which is simple to control and easy to implement. At the same time, there are problems such as torque ripple and commutation noise, and there are limitations in some applications that require noise. For these applications, the use of sine wave control can solve this problem well.        Introduction to Sine Wave Control of Brushless DC Motor        The sine wave control of the DC brushless motor is to apply a certain voltage to the motor winding to generat

  • Talking about the basic functions of the controller

    11-21

           Data buffering: Because the speed of the I/O device is low and the speed of the CPU and memory is very high, a buffer must be set in the controller. When outputting, use this buffer to temporarily store data from the host at high speed, and then transfer the data in the buffer to the I/O device at the rate that the I/O device has; when inputting, the buffer is used To temporarily store the data sent from the I/O device, after receiving a batch of data, the data in the buffer is transmitted to the host at a high speed.        Error control: The device controller is also respons

  • The origin of the motor sine wave controller

    11-21

    A sine wave is a signal with the most single frequency component, and it is named because the waveform of this signal is a mathematical sine curve. Any complex signal, such as a music signal, can be seen as a composite of many sine waves of different frequencies and sizes.       In the 1970s, Siemens engineer F. Blaschke first proposed the asynchronous motor vector control theory to solve the AC motor torque control problem. The basic principle of vector control is to measure and control the stator current vector of the asynchronous motor, and control the excitation current and torque current of the asynchronous

  • Features of permanent magnet synchronous motor

    11-21

            Excellent material, accurate design, long life. With gear reduction mechanism, low and constant speed, low power consumption, large torque, low noise, small size, light weight and compact structure. At rated frequency, the motor speed is not affected by voltage and remains stable. If the motor is overloaded or blocked under load, the motor coil will not be burnt.

  • What is BMS battery management system

    11-21

             BMS is the first letter abbreviation combination of BATTERY MANAGEMENT SYSTEM, which is called battery management system.        The BMS battery system is commonly called the battery nanny or battery housekeeper, mainly for the intelligent management and maintenance of each battery unit, preventing the battery from overcharging and overdischarging, extending the battery life, and monitoring the battery status.        The BMS battery management system of Lingbo Electronic Technology Co., Ltd. has the following characteristics:

  • Overview of Permanent Magnet Synchronous Motor Application

    11-21

            Permanent magnet synchronous motors (PMSM) are very similar to AC induction motors or brushless DC motors (BLDC). They all have permanent magnetic rotors and wound stators.        PMSM motors usually use sine wave control, and BLDC motors usually use trapezoidal signal control, trapezoidal signal is also called six-step commutation.       The sinusoidal control of PMSM is highly efficient, and the motor operates smoothly, which minimizes vibration and reduces noise. The use of field-oriented control (FOC) technology for PMSM m